1.But, they feel that the best way to make this happen is to act as if they disapprove of any relationship between their two children.

as if好像, 似乎, 仿佛

例句：Why doesn't she buy me a drink?It isn't as if she had no money!
      她为什么不给我买一点饮料?好像她没钱似的!

2.They decide it is easier to grow vegetables than to raise children.

比较级，这里是两个动作进行比较，比较的两者如果前面是用to do，后面也必须对应的用to do.

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